CodeSampleX

Ejemplo

@electron/universal 2.0.3: makeUniversalApp

Muestra verificada para npm @electron/universal 2.0.3: makeUniversalApp. El contrato se ejecutó en node 22 · linux alpine/x64 · docker y pasó.

sha256:25d51d97c0ec2d9fe9b2d2c8f1633756049c46532c0833e7c466e997f3d56d93

Esta red ofrece una sola cosa: una muestra que compila. La ejecutó en un sandbox y guardó el recibo firmado. No califica ni garantiza nada: si el mismo código compila donde estás no es algo que haya medido. Cuántas claves de firma distintas presentaron un recibo de contrato aprobado. Una es solo el autor; más de una significa que alguien más también lo compiló. Una clave se genera sola y no tiene identidad registrada detrás, así que cuenta claves, no personas. MIT-0

Evidencia de ejecución

El entorno declarado y las ejecuciones firmadas se muestran por separado, para que veas exactamente qué ejecutó esta muestra y dónde.

Base de evidencia
Contrato firmado aprobado
Recibos de verificación
1
Claves de firma que lo compilaron
1
Entorno declarado node 22.23 linux 24 · ubuntu · glibc 2.39 x64 node 22.23 javascript npm 10

Entornos de las ejecuciones de verificación

Entorno Contrato Etapas Ejecución
node 22 · linux alpine/x64 · docker ed25519:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · node-typescript@1node:22-alpine@sha256:c610fcdfb1d5…		 2026-08-30

Caso

HOW
Objetivo
verify @electron/universal.makeUniversalApp in pkg:npm/%40electron/universal@2.0.3
Paquetes
Símbolos
  • @electron/universal.makeUniversalApp
Entorno
node 22.23.2
Creado
2026-08-30T15:21:13Z

Contrato

  1. makeUniversalApp is exported as a function from @electron/universal
  2. makeUniversalApp rejects when executed on non-darwin platforms
  3. makeUniversalApp requires absolute paths for x64AppPath, arm64AppPath, and outAppPath
  4. makeUniversalApp rejects if outAppPath already exists and force is not set to true
  5. makeUniversalApp detects ASAR mode mismatch between x64 and arm64 application bundles
  6. makeUniversalApp verifies identical SHAs across non-binary files in x64 and arm64 builds
  7. makeUniversalApp merges x64 and arm64 bundles into outAppPath and overwrites existing destination when force is true

Archivos

  • PROMPT.md
  • csx.json
  • index.js
  • package-lock.json
  • package.json
  • spec.json
  • test/contract.cjs

Descargar el artefacto de código fuente (tar.gz)

Código fuente

PROMPT.md
Clean-room public code sample — generation instructions

Write a brand-new, minimal, self-contained code sample in this clean-room directory.
Do not copy, paraphrase, or reference any existing project source. Work only from this spec.

A csx.json manifest scaffold already exists. Do not recreate it from memory. Preserve its case.goal, packages and symbols; fill its empty case.contract with exact assertions and correct its environment, commands and verifierAdapter for the files you generate.

Goal: verify @electron/universal.makeUniversalApp in pkg:npm/%40electron/universal@2.0.3
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:npm/%40electron/universal@2.0.3
Demonstrate these symbols/APIs:
  - @electron/universal.makeUniversalApp
Constraints:
  - executionContext: node
Required runtime conditions:
  - ecosystem: npm
  - language: javascript
  - moduleSystem: cjs
  - packageManager: npm@10.9.8
  - runtime: node@22.23.2

Rules:
  - One focused purpose; the smallest project that proves the goal.
  - Include a contract test (test/contract.*) that runs OFFLINE and exits 0 exactly when the goal behavior works.
  - Pin every dependency with a lockfile so resolution is reproducible.
  - No secrets, credentials, or tokens. No real URLs (only example.com or localhost). No absolute paths.
  - No personal names, emails, company names, or project identifiers of any kind.
  - No binaries and no generated output (node_modules, dist, target, venv, .git, .env).
  - Keep it under 200 files and 256KB packed.
csx.json
{"case":{"caseId":"case:sha256:307738433b04b760add5b45058a2ebb4a956600a125c9d835d0b1f486f4a93f6","constraints":{"executionContext":"node"},"contract":["makeUniversalApp is exported as a function from @electron/universal","makeUniversalApp rejects when executed on non-darwin platforms","makeUniversalApp requires absolute paths for x64AppPath, arm64AppPath, and outAppPath","makeUniversalApp rejects if outAppPath already exists and force is not set to true","makeUniversalApp detects ASAR mode mismatch between x64 and arm64 application bundles","makeUniversalApp verifies identical SHAs across non-binary files in x64 and arm64 builds","makeUniversalApp merges x64 and arm64 bundles into outAppPath and overwrites existing destination when force is true"],"goal":"verify @electron/universal.makeUniversalApp in pkg:npm/%40electron/universal@2.0.3","kind":"HOW","packages":["pkg:npm/%40electron/universal@2.0.3"],"schemaVersion":1,"symbols":["@electron/universal.makeUniversalApp"]},"contractCommand":["node","test/contract.cjs"],"environment":{"arch":"x64","distro":"ubuntu","ecosystem":"npm","executionContext":"node","language":"javascript","libc":"glibc","libcVersion":"2.39","moduleSystem":"cjs","os":"linux","osVersionBucket":"24","packageManager":"npm","packageManagerVersion":"10.9.8","runtime":"node","runtimeVersion":"22.23.2","schemaVersion":1},"license":"MIT-0","packages":["pkg:npm/%40electron/universal@2.0.3"],"schemaVersion":1,"subject":"pkg:npm/%40electron/universal@2.0.3","symbols":["@electron/universal.makeUniversalApp"],"verifierAdapter":"node-typescript@1"}
index.js
const { makeUniversalApp } = require('@electron/universal');

/**
 * Creates a universal macOS Electron application bundle from separate x64 and arm64 bundles.
 *
 * @param {import('@electron/universal').MakeUniversalOpts} opts
 * @returns {Promise<void>}
 */
async function buildUniversalApp(opts) {
  return await makeUniversalApp(opts);
}

module.exports = {
  makeUniversalApp,
  buildUniversalApp,
};
package-lock.json
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  "name": "sample-electron-universal",
  "version": "1.0.0",
  "lockfileVersion": 3,
  "requires": true,
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    "": {
      "name": "sample-electron-universal",
      "version": "1.0.0",
      "license": "MIT-0",
      "dependencies": {
        "@electron/universal": "2.0.3"
      }
    },
    "node_modules/@electron/asar": {
      "version": "3.4.1",
      "resolved": "https://registry.npmjs.org/@electron/asar/-/asar-3.4.1.tgz",
      "integrity": "sha512-i4/rNPRS84t0vSRa2HorerGRXWyF4vThfHesw0dmcWHp+cspK743UanA0suA5Q5y8kzY2y6YKrvbIUn69BCAiA==",
      "license": "MIT",
      "dependencies": {
        "commander": "^5.0.0",
        "glob": "^7.1.6",
        "minimatch": "^3.0.4"
      },
      "bin": {
        "asar": "bin/asar.js"
      },
      "engines": {
        "node": ">=10.12.0"
      }
    },
    "node_modules/@electron/asar/node_modules/brace-expansion": {
      "version": "1.1.18",
      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.18.tgz",
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package.json
{
  "name": "sample-electron-universal",
  "version": "1.0.0",
  "description": "verify @electron/universal.makeUniversalApp in pkg:npm/%40electron/universal@2.0.3",
  "main": "index.js",
  "scripts": {
    "test": "node test/contract.cjs"
  },
  "license": "MIT-0",
  "dependencies": {
    "@electron/universal": "2.0.3"
  }
}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify @electron/universal.makeUniversalApp in pkg:npm/%40electron/universal@2.0.3",
  "kind": "HOW",
  "packages": [
    "pkg:npm/%40electron/universal@2.0.3"
  ],
  "symbols": [
    "@electron/universal.makeUniversalApp"
  ],
  "constraints": {
    "executionContext": "node"
  },
  "runtimeConditions": {
    "ecosystem": "npm",
    "language": "javascript",
    "moduleSystem": "cjs",
    "packageManager": "npm@10.9.8",
    "runtime": "node@22.23.2"
  }
}
test/contract.cjs
const assert = require('assert');
const fs = require('fs');
const path = require('path');
const os = require('os');
const { makeUniversalApp, buildUniversalApp } = require('../index.js');

const SAMPLE_PLIST = '<plist version="1.0"><dict><key>CFBundleIdentifier</key><string>com.example.app</string><key>CFBundleName</key><string>ExampleApp</string><key>CFBundleVersion</key><string>1.0.0</string></dict></plist>';

async function runTests() {
  // 1. Export verification
  assert.strictEqual(typeof makeUniversalApp, 'function', 'makeUniversalApp must be a function');
  assert.strictEqual(typeof buildUniversalApp, 'function', 'buildUniversalApp must be a function');

  // 2. Direct invocation on non-darwin throws error
  const origPlatform = process.platform;
  if (origPlatform !== 'darwin') {
    await assert.rejects(
      async () => {
        await makeUniversalApp({});
      },
      {
        name: 'Error',
        message: '@electron/universal is only supported on darwin platforms',
      },
      'Should reject on non-darwin platforms'
    );
  }

  // Use darwin platform context for option validation and merge logic
  Object.defineProperty(process, 'platform', { value: 'darwin', configurable: true });

  const tempBase = fs.mkdtempSync(path.join(os.tmpdir(), 'electron-univ-test-'));
  const origPath = process.env.PATH;

  // Provide a lightweight `file` command shim if environment lacks it (e.g. minimal container)
  const binDir = path.join(tempBase, 'bin');
  fs.mkdirSync(binDir, { recursive: true });
  fs.writeFileSync(path.join(binDir, 'file'), '#!/bin/sh\necho "ASCII text"\n', { mode: 0o755 });
  process.env.PATH = `${binDir}:${process.env.PATH}`;

  try {
    const x64App = path.join(tempBase, 'App_x64.app');
    const arm64App = path.join(tempBase, 'App_arm64.app');
    const outApp = path.join(tempBase, 'App_univ.app');

    // 3. Option validation
    await assert.rejects(
      async () => {
        await makeUniversalApp({ x64AppPath: 'relative/x64' });
      },
      {
        name: 'Error',
        message: 'Expected opts.x64AppPath to be an absolute path but it was not',
      }
    );

    await assert.rejects(
      async () => {
        await makeUniversalApp({ x64AppPath: x64App, arm64AppPath: 'relative/arm64' });
      },
      {
        name: 'Error',
        message: 'Expected opts.arm64AppPath to be an absolute path but it was not',
      }
    );

    await assert.rejects(
      async () => {
        await makeUniversalApp({ x64AppPath: x64App, arm64AppPath: arm64App, outAppPath: 'relative/out' });
      },
      {
        name: 'Error',
        message: 'Expected opts.outAppPath to be an absolute path but it was not',
      }
    );

    // 4. Output path existence check without force
    fs.mkdirSync(outApp, { recursive: true });
    await assert.rejects(
      async () => {
        await makeUniversalApp({
          x64AppPath: x64App,
          arm64AppPath: arm64App,
          outAppPath: outApp,
          force: false,
        });
      },
      new RegExp(`The out path "${outApp}" already exists and force is not set to true`)
    );
    fs.rmSync(outApp, { recursive: true, force: true });

    // Setup basic mock apps
    const setupApp = (appDir) => {
      fs.mkdirSync(path.join(appDir, 'Contents', 'Resources', 'app'), { recursive: true });
      fs.writeFileSync(path.join(appDir, 'Contents', 'Info.plist'), SAMPLE_PLIST);
      fs.writeFileSync(
        path.join(appDir, 'Contents', 'Resources', 'app', 'package.json'),
        JSON.stringify({ name: 'test-app', main: 'main.js' })
      );
      fs.writeFileSync(
        path.join(appDir, 'Contents', 'Resources', 'app', 'main.js'),
        'console.log("hello universal");'
      );
    };

    setupApp(x64App);
    setupApp(arm64App);

    // 5. ASAR mode mismatch check
    fs.writeFileSync(path.join(x64App, 'Contents', 'Resources', 'app.asar'), 'asar-content');
    await assert.rejects(
      async () => {
        await makeUniversalApp({
          x64AppPath: x64App,
          arm64AppPath: arm64App,
          outAppPath: outApp,
        });
      },
      {
        name: 'Error',
        message: 'Both the x64 and arm64 versions of your application need to have been built with the same asar settings (enabled vs disabled)',
      }
    );
    fs.unlinkSync(path.join(x64App, 'Contents', 'Resources', 'app.asar'));

    // 6. Non-binary file SHA mismatch check
    fs.writeFileSync(path.join(x64App, 'Contents', 'Resources', 'extra.txt'), 'version-x64');
    fs.writeFileSync(path.join(arm64App, 'Contents', 'Resources', 'extra.txt'), 'version-arm64');
    await assert.rejects(
      async () => {
        await makeUniversalApp({
          x64AppPath: x64App,
          arm64AppPath: arm64App,
          outAppPath: outApp,
        });
      },
      new RegExp('Expected all non-binary files to have identical SHAs')
    );
    fs.unlinkSync(path.join(x64App, 'Contents', 'Resources', 'extra.txt'));
    fs.unlinkSync(path.join(arm64App, 'Contents', 'Resources', 'extra.txt'));

    // 7. Successful universal app generation
    await makeUniversalApp({
      x64AppPath: x64App,
      arm64AppPath: arm64App,
      outAppPath: outApp,
    });
    assert.strictEqual(fs.existsSync(outApp), true, 'Output universal app should exist');
    assert.strictEqual(
      fs.existsSync(path.join(outApp, 'Contents', 'Info.plist')),
      true,
      'Universal app Info.plist should exist'
    );
    assert.strictEqual(
      fs.existsSync(path.join(outApp, 'Contents', 'Resources', 'app', 'main.js')),
      true,
      'Universal app main.js should exist'
    );

    // 8. Successful overwrite when force: true
    await makeUniversalApp({
      x64AppPath: x64App,
      arm64AppPath: arm64App,
      outAppPath: outApp,
      force: true,
    });
    assert.strictEqual(fs.existsSync(outApp), true, 'Output universal app should exist after force overwrite');
  } finally {
    process.env.PATH = origPath;
    fs.rmSync(tempBase, { recursive: true, force: true });
    Object.defineProperty(process, 'platform', { value: origPlatform, configurable: true });
  }

  console.log('All contract assertions passed.');
}

runTests().catch((err) => {
  console.error('Contract test failed:', err);
  process.exit(1);
});

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